EP3638946A4 - Rétroéclairage multivue et dispositif d'affichage multivue, et procédé faisant appel à des éléments multifaisceaux décalés - Google Patents

Rétroéclairage multivue et dispositif d'affichage multivue, et procédé faisant appel à des éléments multifaisceaux décalés Download PDF

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Publication number
EP3638946A4
EP3638946A4 EP17913397.0A EP17913397A EP3638946A4 EP 3638946 A4 EP3638946 A4 EP 3638946A4 EP 17913397 A EP17913397 A EP 17913397A EP 3638946 A4 EP3638946 A4 EP 3638946A4
Authority
EP
European Patent Office
Prior art keywords
view
backlighting
multiple beams
view display
display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17913397.0A
Other languages
German (de)
English (en)
Other versions
EP3638946C0 (fr
EP3638946B1 (fr
EP3638946A1 (fr
Inventor
David A. Fattal
John RAYFIELD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leia Inc
Original Assignee
Leia Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Leia Inc filed Critical Leia Inc
Publication of EP3638946A1 publication Critical patent/EP3638946A1/fr
Publication of EP3638946A4 publication Critical patent/EP3638946A4/fr
Application granted granted Critical
Publication of EP3638946C0 publication Critical patent/EP3638946C0/fr
Publication of EP3638946B1 publication Critical patent/EP3638946B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
    • G02B30/33—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving directional light or back-light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/30—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating
    • G02F2201/305—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating diffraction grating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
EP17913397.0A 2017-06-16 2017-06-16 Dispositif d'affichage multivue, et procédé faisant appel à des éléments multifaisceaux décalés Active EP3638946B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2017/038013 WO2018231257A1 (fr) 2017-06-16 2017-06-16 Rétroéclairage multivue et dispositif d'affichage multivue, et procédé faisant appel à des éléments multifaisceaux décalés

Publications (4)

Publication Number Publication Date
EP3638946A1 EP3638946A1 (fr) 2020-04-22
EP3638946A4 true EP3638946A4 (fr) 2020-12-23
EP3638946C0 EP3638946C0 (fr) 2024-08-14
EP3638946B1 EP3638946B1 (fr) 2024-08-14

Family

ID=64660421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17913397.0A Active EP3638946B1 (fr) 2017-06-16 2017-06-16 Dispositif d'affichage multivue, et procédé faisant appel à des éléments multifaisceaux décalés

Country Status (8)

Country Link
US (1) US10948772B2 (fr)
EP (1) EP3638946B1 (fr)
JP (1) JP7046987B2 (fr)
KR (1) KR102370247B1 (fr)
CN (1) CN110799789B (fr)
CA (1) CA3064551C (fr)
TW (1) TWI697713B (fr)
WO (1) WO2018231257A1 (fr)

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EP3601881A4 (fr) * 2017-03-25 2021-01-13 LEIA Inc. Rétroéclairage directionnel, écran d'affichage rétroéclairé et procédé
EP3728941A4 (fr) 2017-12-18 2021-07-28 LEIA Inc. Rétroéclairage à mode commutable, dispositif d'affichage, et procédé
JP7284195B2 (ja) 2018-06-29 2023-05-30 レイア、インコーポレイテッド 混合フォーマットバックライト、ディスプレイ、および方法
KR102702491B1 (ko) * 2019-07-11 2024-09-05 레이아 인코포레이티드 도광체 내부의 멀티빔 소자를 갖는 멀티뷰 백라이트, 디스플레이 및 방법
US11860386B2 (en) * 2019-12-24 2024-01-02 Lumileds Llc Multiview display using microLED technology
CN113325601B (zh) * 2021-08-03 2021-10-26 成都工业学院 一种高视点密度光场立体显示装置
US12345900B2 (en) * 2021-12-07 2025-07-01 Leia Inc. Time-multiplexed multiview backlight, multiview display and method

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US20130169694A1 (en) * 2011-12-29 2013-07-04 Industrial Technology Research Institute Display apparatus
WO2014051624A1 (fr) * 2012-09-28 2014-04-03 Hewlett-Packard Development Company, L. P. Rétro-éclairage directionnel basé sur des guides d'ondes avec lasers hybrides intégrés pour utilisation dans un écran d'affichage multi-vues
CN104335100A (zh) * 2012-06-01 2015-02-04 镭亚股份有限公司 具有调制层的定向背光体
EP2856244A1 (fr) * 2012-05-31 2015-04-08 LEIA Inc. Rétroéclairage directionnel
EP2951649A1 (fr) * 2013-01-31 2015-12-09 LEIA Inc. Montre-bracelet 3d multivues
WO2016106987A1 (fr) * 2014-12-31 2016-07-07 苏州大学 Module multifenêtre de rétro-éclairage directionnel de pixel et dispositif d'affichage 3d à l'œil nu
US20170059961A1 (en) * 2015-08-26 2017-03-02 Samsung Electronics Co., Ltd. Backlight unit and 3d image display apparatus
WO2017041073A1 (fr) * 2015-09-05 2017-03-09 Leia Inc. Affichage à vues multiples avec suivi de tête
WO2017041079A1 (fr) * 2015-09-05 2017-03-09 Leia Inc. Dispositif d'affichage multivues à rendu de sous-pixel angulaire utilisant des réseaux de diffraction multifaisceau décalés

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JP4530267B2 (ja) * 2003-08-30 2010-08-25 シャープ株式会社 マルチプルビューディスプレイ
GB2405545A (en) * 2003-08-30 2005-03-02 Sharp Kk Multiple view directional display with parallax optic having colour filters.
WO2005071474A2 (fr) * 2004-01-20 2005-08-04 Sharp Kabushiki Kaisha Retroeclairage directionnel, affichage multivue et affichage multidirectionnel
US8936373B2 (en) 2005-10-27 2015-01-20 Koninklijke Philips N.V. Directional light output devices such as multi-view displays
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EP2353045A2 (fr) * 2008-11-07 2011-08-10 Dimension Technologies, Inc. Système de rétroéclairage pour un dispositif d'affichage à multiples vues autostéréoscopique en 2d/3d
JP2010210904A (ja) 2009-03-10 2010-09-24 Hitachi Maxell Ltd 光拡散シート、それを用いたバックライト装置及び液晶表示装置
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JP6633087B2 (ja) 2015-01-28 2020-01-22 レイア、インコーポレイテッドＬｅｉａ Ｉｎｃ． ３次元（３ｄ）電子ディスプレイ
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CA2996992C (fr) * 2015-09-05 2024-04-09 Leia Inc. Retroeclairage multiplexe dans le temps et afficheur a vues multiples l'utilisant
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KR102367308B1 (ko) * 2016-01-30 2022-02-24 레이아 인코포레이티드 수렴 시점들을 갖는 다중 빔 요소-기반 역광 조명
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US20130169694A1 (en) * 2011-12-29 2013-07-04 Industrial Technology Research Institute Display apparatus
EP2856244A1 (fr) * 2012-05-31 2015-04-08 LEIA Inc. Rétroéclairage directionnel
CN104335100A (zh) * 2012-06-01 2015-02-04 镭亚股份有限公司 具有调制层的定向背光体
EP3301504A1 (fr) * 2012-06-01 2018-04-04 LEIA Inc. Rétro-éclairage directionnel comportant une couche de modulation
WO2014051624A1 (fr) * 2012-09-28 2014-04-03 Hewlett-Packard Development Company, L. P. Rétro-éclairage directionnel basé sur des guides d'ondes avec lasers hybrides intégrés pour utilisation dans un écran d'affichage multi-vues
EP2951649A1 (fr) * 2013-01-31 2015-12-09 LEIA Inc. Montre-bracelet 3d multivues
WO2016106987A1 (fr) * 2014-12-31 2016-07-07 苏州大学 Module multifenêtre de rétro-éclairage directionnel de pixel et dispositif d'affichage 3d à l'œil nu
US20170363794A1 (en) * 2014-12-31 2017-12-21 Suzhou University Multi-view pixel directional backlight module and naked-eye 3d display device
US20170059961A1 (en) * 2015-08-26 2017-03-02 Samsung Electronics Co., Ltd. Backlight unit and 3d image display apparatus
WO2017041073A1 (fr) * 2015-09-05 2017-03-09 Leia Inc. Affichage à vues multiples avec suivi de tête
WO2017041079A1 (fr) * 2015-09-05 2017-03-09 Leia Inc. Dispositif d'affichage multivues à rendu de sous-pixel angulaire utilisant des réseaux de diffraction multifaisceau décalés

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Title
DAVID FATTAL ET AL: "A multi-directional backlight for a wide-angle, glasses-free three-dimensional display", NATURE, vol. 495, no. 7441, 20 March 2013 (2013-03-20), London, pages 348 - 351, XP055303470, ISSN: 0028-0836, DOI: 10.1038/nature11972 *
See also references of WO2018231257A1 *

Also Published As

Publication number Publication date
TW201905558A (zh) 2019-02-01
CA3064551C (fr) 2021-12-21
US20200117053A1 (en) 2020-04-16
TWI697713B (zh) 2020-07-01
EP3638946C0 (fr) 2024-08-14
EP3638946B1 (fr) 2024-08-14
JP2020523764A (ja) 2020-08-06
KR102370247B1 (ko) 2022-03-04
KR20200000452A (ko) 2020-01-02
CN110799789B (zh) 2021-07-27
EP3638946A1 (fr) 2020-04-22
CA3064551A1 (fr) 2018-12-20
JP7046987B2 (ja) 2022-04-04
CN110799789A (zh) 2020-02-14
WO2018231257A1 (fr) 2018-12-20
US10948772B2 (en) 2021-03-16

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